US2568111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-resistant storage tank
Assignee: Pure Oil Co
•
Filing: 1946-04-19
•
Granted: 1951-09-18
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Donald C Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:25
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/04; B65D90/041; B65D90/042; B65D90/043; Y; Y10; Y10S; Y10S220/00; Y10S220/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US675367A
Cited
US1076382A
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US1709648A
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US1489725A
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US2102590A
Cited
US2278345A
Cited
US2381739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |